diff options
Diffstat (limited to 'MdeModulePkg/MdeModulePkg.dec')
| -rw-r--r-- | MdeModulePkg/MdeModulePkg.dec | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index 5ec37c5a7d..e2e0b75cdb 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -1408,18 +1408,32 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemId|"INTEL "|VOID*|0x30001034
## Default OEM Table ID for ACPI table creation, it is "EDK2 ".
+ # Accroding to ACPI specification, this field is particularly useful when
+ # defining a definition block to distinguish definition block functions.
+ # The OEM assigns each dissimilar table a new OEM Table ID.
+ # This PCD is ignored for definition block.
# @Prompt Default OEM Table ID for ACPI table creation.
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemTableId|0x20202020324B4445|UINT64|0x30001035
## Default OEM Revision for ACPI table creation.
+ # Accroding to ACPI specification, for LoadTable() opcode, the OS can also
+ # check the OEM Table ID and Revision ID against a database for a newer
+ # revision Definition Block of the same OEM Table ID and load it instead.
+ # This PCD is ignored for definition block.
# @Prompt Default OEM Revision for ACPI table creation.
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemRevision|0x00000002|UINT32|0x30001036
## Default Creator ID for ACPI table creation.
+ # Accroding to ACPI specification, for tables containing Definition Blocks,
+ # this is the ID for the ASL Compiler.
+ # This PCD is ignored for definition block.
# @Prompt Default Creator ID for ACPI table creation.
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorId|0x20202020|UINT32|0x30001037
## Default Creator Revision for ACPI table creation.
+ # Accroding to ACPI specification, for tables containing Definition Blocks,
+ # this is the revision for the ASL Compiler.
+ # This PCD is ignored for definition block.
# @Prompt Default Creator Revision for ACPI table creation.
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision|0x01000013|UINT32|0x30001038
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